User's Manual

724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 9
EME149A-20
Chapter 2: Overview
Table 2-1 (Continued). Front panel components.
Number Component Description
7 Expansion ports E1–E4 Use the four expansion ports numbered E1–E4 to connect the 8-port
expansion module (EME1X8) and/or the 16 dry-contact expansion module
(EME1DC16).
8 (40) LED indicators There are two LEDs (Status and Online) for each dry contact.
2.3.2 EME149A-20 Back Panel
Figure 2-2 shows the ServSensor’s back panel. Table 2-2 describes its components.
11 12 13 14 15 16 17
19 18 9 10
Figure 2-2. Back panel.
Table 2-2. Back panel components.
Number Component Description
9 (8) RJ-45 connectors Use these ports to connect Intelligent Sensors to the ServSensor V4E Lite.
10 Barrel connector This is a 7.5-VDC plug. Connect a 7.0–9.0-V, 2.5-A power supply (included).
11 Mic out connector Connect an external microphone for voice modem applications.
12 Audio in Connect an external microphone.
13 Audio out Connect the output for external speakers.
14 USB Type A port Use the USB 1.1 port to connect a USB GBarPRS/GSM compatible modem,
a USB Wi-Fi dongle, or a USB Bluetooth
®
dongle.
15 2-pin terminal block (RS-485 port) The ServSensor V4E Lite supports Modbus master or slave.
16 RJ-45 10/100 network port Use this RJ-45 port to connect your ServSensor V4E Lite to the network.
17 Reset Press this button to reset the ServSensor V4E Lite.
18 EXT GND Use the EXT. GND connector to externally ground the unit.
19 (20) dry contacts (20) VAC dry contacts